panda-moniummm:Fjaðrárgljúfur, Iceland The canyon was a product of erosion and build-up of palagon
panda-moniummm: Fjaðrárgljúfur, Iceland The canyon was a product of erosion and build-up of palagonite over quite a few millennia. It has the typical yet beautiful earthy dark brown and green found all throughout Iceland. -- source link